Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Mortgage-backed securities (including pledged of $2,903,659 and $3,011,319, respectively), at fair value	$ 3,150,306	$ 3,181,839
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred stock, Shares Authorized (in shares)	50,000,000	50,000,000
Preferred Stock, Shares Outstanding (in shares)	4,460,000	4,460,000
Preferred Stock, Shares Issued	4,460,000	4,460,000
Preferred Stock, Liquidation Preference, Value	$ 111,500	$ 111,500
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	90,000,000	90,000,000
Common Stock, Shares, Issued	46,350,130	36,665,805
Common Stock, Shares, Outstanding	46,350,130	36,665,805
Asset Pledged as Collateral without Right
Mortgage-backed securities (including pledged of $2,903,659 and $3,011,319, respectively), at fair value	$ 2,903,659	$ 3,011,319